Which of the following is true about the database development process?
A) The easiest time to change the database structure is during the data modeling stage.
B) Changing a relationship from 1:N to N:M in an existing database is simply a matter of changing notations.
C) User review of the data model is avoided as it is not helpful in data modeling.
D) A database is a model of how the developers view their business world.

Question

Quizplus · Accepted Answer

During the data modeling stage, the database structure is still in the concept stage and changes can be easily implemented. Once the database is implemented, changing the structure can be difficult and time-consuming.

Answer: None of the other options are true. 
 Changing a relationship from 1:N to N:M requires more than just changing notations as it affects the data and the underlying code. User review is an important aspect of data modeling to ensure that the model accurately represents the organization's business processes. A database should be a model of the business world, not just how the developers view it.

Which of the Following Is True About the Database Development